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Tropospheric Ozone Near-Nadir-Viewing IR Spectral Sensitivity and Ozone Measurements from NAST-IInfrared ozone spectra from near nadir observations have provided atmospheric ozone information from the sensor to the Earth's surface. Simulations of the NPOESS Airborne Sounder Testbed-Interferometer (NAST-I) from the NASA ER-2 aircraft (approximately 20 km altitude) with a spectral resolution of 0.25/cm were used for sensitivity analysis. The spectral sensitivity of ozone retrievals to uncertainties in atmospheric temperature and water vapor is assessed in order to understand the relationship between the IR emissions and the atmospheric state. In addition, ozone spectral radiance sensitivity to its ozone layer densities and radiance weighting functions reveals the limit of the ozone profile retrieval accuracy from NAST-I measurements. Statistical retrievals of ozone with temperature and moisture retrievals from NAST-I spectra have been investigated and the preliminary results from NAST-I field campaigns are presented.
Document ID
20010100574
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Zhou, Daniel K.
(NASA Langley Research Center Hampton, VA United States)
Smith, William L.
(NASA Langley Research Center Hampton, VA United States)
Larar, Allen M.
(NASA Langley Research Center Hampton, VA United States)
Date Acquired
August 20, 2013
Publication Date
January 22, 2001
Publication Information
Publication: Hyperspectral Remote Sensing of the Land and Atmosphere
Volume: 4151
Subject Category
Environment Pollution
Distribution Limits
Public
Copyright
Other

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